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 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   
   
   
   
   <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js" type="text/javascript"></script>
   <script type="text/javascript">
     $(document).ready(function(){
      $("a").addClass("test");
       $("a").click(function(event){
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         $(this).hide("slow");
         
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   <style type="text/css">
    a.test { font-size: bold; }
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   <a href="http://jquery.com/">jQuery</a>
 </body>
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